Service Manuals, User Guides, Schematic Diagrams or docs for : Philips Monitor Monitor CD 2001[1].part02 Monitor CD 2001 E-MANUALS Philips crt 104s PDF p05

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                                                    Warning and Notes                                       104S CM23 GSIII        5
                                                                                                                Go to cover page
Warnings                                                           Notes

1. Safety regulations require that the unit should be returned     1. The direct voltages and waveforms are average voltages.
   in its original condition and that components identical to         They have been measured using the Service test software
   the original components are used. The safety components            and under the following conditions :
   are indicated by the symbol         .                              - Mode : 640 * 480 (31.5kHz / 60Hz)
                                                                      - Signal pattern : grey scale
2. In order to prevent damage to ICs and transistors, all             - Adjust brightness and contrast control for the
   high-voltage flash-overs must be avoided. In order to                 mechanical mid-position (click position)
   prevent damage to the picture tube, the method shown
   in Fig. 1 should be used to discharge the picture tube.         2. The picture tube panel has printed spark gaps.
   Use a high-voltage probe and a multimeter (position DC-V).         Each spark gap is connected between an electrode of the
   Discharge until the meter reading is 0 V (after approximately      picture tube and the Aquadag coating.
   30 seconds).
                                                                   3. The semiconductors indicated in the circuit diagram(s)
3. ESD                                                                and in the parts lists are completely interchangeable per
   All ICs and many other semiconductors are sensitive to             position with the semiconductors in the unit, irrespective
   electrostatic discharges (ESD). Careless handling during           of the type indication on these semiconductors.
   repair can drastically shorten their life. Make sure that
   during repair you are connected by a pulse band with
   resistance to the same potential as the ground of the unit.
   Keep components and tools also at this same potential.

4. When repairing a unit, always connect it to the AC Power
   voltage via an isolating transformer.
                                                                               V
5. Be careful when taking measurements in the high-voltage
   section and on the picture tube panel.

6. It is recommended that saferty goggles be worn when
   replacing the picture tube.

7. When making adjustments,use plastic rather than metal tools.
   This will prevent any short-circuit or the danger of a
   circuit becoming unstable.

8. Never replace modules or other components while the
   unit is switched on.

9. Together with the defleciton unit, the picture tube is used                                     Fig.1
    as an integrated unit. Adjustment of this unit during repair
    is not recommended.

10. After repair, the wiring should be fastened in place with
    the cable clamps.

11. All units that are returned for service or repair must pass
    the original manufactures safety tests.




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